#!/usr/bin/env python
#
# Copyright 2010 The Closure Library Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS-IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


"""Unit test for source."""




import unittest

import sourcedeps

class SourceDepsCase(unittest.TestCase):
  """Unit test for source.  Tests the parser on a known source input."""

  def testGetClosureDependencies(self):
    provides, requires = sourcedeps.GetClosureDependencies(_TEST_CLOSURE_SOURCE)
    self.assertEqual(set(['foo', 'foo.test']), provides)
    self.assertEqual(set(['goog.dom', 'goog.events.EventType']), requires)

  def testGetDojoDependencies(self):
    provides, requires = sourcedeps.GetDojoDependencies(_TEST_DOJO_SOURCE)
    self.assertEqual(set(['bar', 'bar.test']), provides)
    self.assertEqual(set(['baz.dom', 'baz.events.EventType']), requires)

  def testClosureBaseFile(self):
    provides, requires = sourcedeps.GetClosureDependencies(_TEST_CLOSURE_BASE_SOURCE)
    self.assertEqual(set(['goog']), provides)
    self.assertEqual(set(), requires)


_TEST_CLOSURE_SOURCE = """// Fake copyright notice

/** Very important comment. */

goog.provide('foo');
goog.provide('foo.test');

goog.require('goog.dom');
goog.require('goog.events.EventType');

function foo() {
  // Set bar to seventeen to increase performance.
  this.bar = 17;
}
"""

_TEST_CLOSURE_BASE_SOURCE = """// Fake copyright notice

/** Very important comment. */

var goog = goog || {}; // Identifies this file as the Closure base.

function foo() {
  // Set bar to seventeen to increase performance.
  this.bar = 17;
}
"""


_TEST_DOJO_SOURCE = """// Fake copyright notice

/** Very important comment. */

dojo.provide('bar');
dojo.provide('bar.test');

dojo.require('baz.dom');
dojo.require('baz.events.EventType');

function foo() {
  // Set bar to seventeen to increase performance.
  this.bar = 17;
}
"""

if __name__ == '__main__':
  unittest.main()
